PHP

php array remove empty values

<?php
$arr = array('1', '', '2', '3', '0');
// Incorrect:
print_r(array_filter($arr));
// Correct:
print_r(array_filter($arr, 'strlen'));
//Custom
print_r(array_filter($arr, function ($val) {if ($val > 0) {return true;} else {return false;}}));

php remove empty values from array

// One liner to remove empty ("" empty string) elements from your array.
// Note: This code deliberately keeps null, 0 and false elements.
$array = array_filter($array, function($a) {return $a !== "";});

// OR if you want to trim your array elements first:
// Note: This code also removes null and false elements.
$array = array_filter($array, function($a) {
    return trim($a) !== "";
});

php empty array

//To clear array you are able to simply re-instantiate it
$foo = array();

//To clear $foo from the symbol table use
unset($foo);

how remove empty value in array php

<?php
$array = array("apple", "", 0, 2, null, -5, "0", "orange", 10, false);
var_dump($array);
echo "<br>";
 
// Filtering the array
$result = array_filter($array);                 
var_dump($result);
?>

remove empty array elements php

$colors = array("red","","blue",NULL);

$colorsNoEmptyOrNull = array_filter($colors, function($v){ 
 return !is_null($v) && $v !== ''; 
});
//$colorsNoEmptyOrNull is now ["red","blue"]

php remove empty values from array

$array = array_filter($array, function($a) {
    return trim($a) !== "";
});

php empty array

$emptyArray = []; 
$emptyArray = array(); 
$emptyArray = (array) null;

How to empty an array in php

unset($foo); // $foo is gone
$foo = array(); // $foo is here again